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Finding the Fourth Proportional to 315,937.08, 473,935.32 and 116,261.28

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Solution

The fourth proportional to 315,937.08, 473,935.32 and 116,261.28 is: 174,402.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    315,937.08 : 473,935.32 = 116,261.28 : x
  2. Step 2: Convert to fraction form
    315,937.08/473,935.32 = 116,261.28/x
  3. Step 3: Cross multiply
    315,937.08x = 473,935.32 × 116,261.28
  4. Step 4: Simplify right side
    315,937.08x = 55,100,326,940.41
  5. Step 5: Solve for x
    x = 55,100,326,940.41/315,937.08
  6. Step 6: Final answer
    x = 174,402.85

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.